NCP3065 ON Semiconductor, NCP3065 Datasheet - Page 5

• Manufacturer Part Number: NCP3065
• Description: Up to 1.5 A Constant Current Switching Regulator for LEDs
• Manufacturer: ON Semiconductor

450
400
350
300
250
200
150
100
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
50
0
Darlington Switch Voltage Drop vs. Emitter Current
-50
0 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 1718 1920
Darlington Switch Voltage Drop vs. Temperature
Figure 7. Emitter Follower Configuration Output
0
Figure 9. Emitter Follower Configuration Output
Figure 5. Oscillator Frequency vs. Oscillator
V
T
J
CC
= 25°C
= 5.0 V
T
J
, JUNCTION TEMPERATURE (°C)
0
I
E
Ct, CAPACITANCE (nF)
, EMITTER CURRENT (A)
Timing Capacitor
0.5
50
1.0
V
I
E
100
CC
= 1 A
= 5.0 V
NCP3065, NCV3065
http://onsemi.com
150
1.5
5
1.25
1.20
1.15
1.10
1.05
190
180
170
160
150
140
130
120
110
1.0
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-50
3
0
Figure 8. Common Emitter Configuration Output
Darlington Switch Voltage Drop vs. Temperature
Output Darlington Switch Voltage Drop vs.
Figure 6. Oscillator Frequency vs. Supply
Figure 10. Common Emitter Configuration
7
T
J
12
, JUNCTION TEMPERATURE (°C)
I
C
0
V
, COLLECTOR CURRENT (A)
CC
0.5
, SUPPLY VOLTAGE (V)
Collector Current
16
Voltage
21
50
25
1.0
29
V
I
100
C
V
T
CC
J
C
T
CC
= 1 A
J
= 25°C
T
= 5.0 V
= 25°C
34
= 5.0 V
= 2.2 nF
38
150
1.5
40